A sound wave with intensity 1.7×10 3 W/m2 is perceived to be modestly loud. Your

Question

A sound wave with intensity 1.7×103 W/m2 is perceived to be modestly loud. Your eardrum is 6.4 mm in diameter.

Part A

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?

Express your answer to two significant figures and include the appropriate units.

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A sound wave with intensity 1.7×103 W/m2 is perceived to be modestly loud. Your eardrum is 6.4 mm in diameter.

Part A

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?

Express your answer to two significant figures and include the appropriate units.

2.8J

SubmitMy AnswersGive Up

Incorrect; Try Again; 6 attempts remaining

Explanation / Answer

energy = intensity * area * time
E = 1.7e-3W/m² * (/4)(0.0064m)² * 60s = 3.28e-6 J = 3.28 µJ

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